MI L-DTL-53133/ 5B
3.22 Voltage adjustment range. The minimum voltage adjustment range shall be:
Voltage Connection
Range
120/ 208 V
197 to 229 volts
240/ 416 V
395 to 458 volts
This voltage adjustment range shall apply for all loads between no load and rated kW,
rated power factor at rated frequency under all environmental conditions. I t shall not
be possible to adjust the voltage of a value which activates the overvoltage protective
device.
3.23 Endurance. The set shall operate for 6,000 hours without critical failure at all
loads, continuous and intermittent, up to and including rated load under all of the
individual or combination of conditions specified in 3.9.1 of the general specification.
3.24 Exciter field current. With the generator temperature stabilized at normal
ambient conditions, the exciter field current shall not exceed .91 amperes for rated load
at 60 Hz operation.
3.25 Generator efficiency. With the generator in the 120/ 208 V connection, the
rated load efficiency of the generator shall be equal to or greater than 86 percent.
Custodians:
Preparing activity:
Army CR4
Army CR4
Navy MC
Air Force - 99
Project 6115-0730
Review activity:
DLA - GS
6
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